57 	struct mlx4_db_page *page;  in __add_page()  local
64 	page = malloc(sizeof *page + pp / 8);  in __add_page()
65 	if (!page)  in __add_page()
68 	if (mlx4_alloc_buf(&page->buf, ps, ps)) {  in __add_page()
69 		free(page);  in __add_page()
73 	page->num_db  = pp;  in __add_page()
74 	page->use_cnt = 0;  in __add_page()
76 		page->free[i] = ~0;  in __add_page()
78 	page->prev = NULL;  in __add_page()
79 	page->next = context->db_list[type];  in __add_page()
80 	context->db_list[type] = page;  in __add_page()
81 	if (page->next)  in __add_page()
82 		page->next->prev = page;  in __add_page()
84 	return page;  in __add_page()
89 	struct mlx4_db_page *page;  in mlx4_alloc_db()  local
95 	for (page = context->db_list[type]; page; page = page->next)  in mlx4_alloc_db()
96 		if (page->use_cnt < page->num_db)  in mlx4_alloc_db()
99 	page = __add_page(context, type);  in mlx4_alloc_db()
100 	if (!page)  in mlx4_alloc_db()
104 	++page->use_cnt;  in mlx4_alloc_db()
106 	for (i = 0; !page->free[i]; ++i)  in mlx4_alloc_db()
109 	j = ffsl(page->free[i]);  in mlx4_alloc_db()
110 	page->free[i] &= ~(1UL << (j - 1));  in mlx4_alloc_db()
111 	db = page->buf.buf + (i * 8 * sizeof (long) + (j - 1)) * db_size[type];  in mlx4_alloc_db()
121 	struct mlx4_db_page *page;  in mlx4_free_db()  local
127 	for (page = context->db_list[type]; page; page = page->next)  in mlx4_free_db()
128 		if (((uintptr_t) db & ~(ps - 1)) == (uintptr_t) page->buf.buf)  in mlx4_free_db()
131 	if (!page)  in mlx4_free_db()
134 	i = ((void *) db - page->buf.buf) / db_size[type];  in mlx4_free_db()
135 	page->free[i / (8 * sizeof (long))] |= 1UL << (i % (8 * sizeof (long)));  in mlx4_free_db()
137 	if (!--page->use_cnt) {  in mlx4_free_db()
138 		if (page->prev)  in mlx4_free_db()
139 			page->prev->next = page->next;  in mlx4_free_db()
141 			context->db_list[type] = page->next;  in mlx4_free_db()
142 		if (page->next)  in mlx4_free_db()
143 			page->next->prev = page->prev;  in mlx4_free_db()
145 		mlx4_free_buf(&page->buf);  in mlx4_free_db()
146 		free(page);  in mlx4_free_db()